q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
value | subreddit stringclasses 1
value | url stringlengths 4 110 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
3u4xya | how come mcdonalds salad dressing are from a brand name and the company doesnt make its own generic version? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3u4xya/eli5_how_come_mcdonalds_salad_dressing_are_from_a/ | {
"a_id": [
"cxbx10d",
"cxbx66q"
],
"score": [
5,
5
],
"text": [
"If it ain't broke, don't fix it.\n\nAlso, brand recognition/cross branding. People might be more willing to try the salad if they know they already like the dressing brand.",
"In business, this is known as a \"make or bu... | [] | [] | [
[],
[]
] | ||
8v9m6t | how does salt improve plant growth? | I do know that salts used in moderation can improve plant growth. However, all I could find by googling is explanations on how an excessive concentration of salts hinder plant growth. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8v9m6t/eli5_how_does_salt_improve_plant_growth/ | {
"a_id": [
"e1llidl"
],
"score": [
4
],
"text": [
"Salt, as in table salt (sodium chloride) is not good for plants as it draws water away from them. However, minerals that help plant growth can come in the form of mineral salts, like epsom salt (magnesium sulfate). So really, it all depends what ... | [] | [] | [
[]
] | |
9dy13s | why is bluetooth so much less reliable than rf? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9dy13s/eli5_why_is_bluetooth_so_much_less_reliable_than/ | {
"a_id": [
"e5krey3",
"e5kwvie"
],
"score": [
5,
2
],
"text": [
"What exactly do you refers to as RF devices? Is it Radio Frequency? \n\nIf that is the case Bluetooth would be included as it is a Radio Communication. ",
"Think about Bluetooth vs Wifi. Wifi seems really strong and wil... | [] | [] | [
[],
[]
] | ||
1bat5m | how do people take either chunks, or clips, or whole tv episodes from a show and are able to put it on a player like youtube or something? | You can always find a clip from a show, or even just a certain sketch from a whole episode. (I.e.: wkuk.) So I'm just curious as to how it's done | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1bat5m/eli5_how_do_people_take_either_chunks_or_clips_or/ | {
"a_id": [
"c956can"
],
"score": [
4
],
"text": [
"They download the show from something like 1channel or piratebay and edit out everything but the clip in a video editing program like Windows Movie Maker."
]
} | [] | [] | [
[]
] | |
4ucm3x | - why do cars have a button to switch off traction control.. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ucm3x/eli5_why_do_cars_have_a_button_to_switch_off/ | {
"a_id": [
"d5om14d"
],
"score": [
6
],
"text": [
"Because there are certain situations like being stuck in the mud, snow, or sand where traction control hinders the process. "
]
} | [] | [] | [
[]
] | ||
2g4zxb | when i sneeze sometimes my muscles around my crotch tense so much it hurts. | Why does this happen? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2g4zxb/eli5_when_i_sneeze_sometimes_my_muscles_around_my/ | {
"a_id": [
"ckfqa4q"
],
"score": [
2
],
"text": [
"Sneezing is a reflexive response that requires the coordinated contraction of many muscles in your body all at once to push air through your mouth/nose much faster than normally possible.\n\nThe actual pushing of air happens in your chest cavity.... | [] | [] | [
[]
] | |
6ymd12 | how do fbi track down anonymous posters on 4chan? | Reading the wikpedia page for [4chan](_URL_0_), I hear about cases where the FBI identified the users who downloaded child pornography or posted death threats. How are the FBI able to find these people if everything is anonymous. And does that mean that technically, nothing on 4chan is really truly "anonymous"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ymd12/eli5how_do_fbi_track_down_anonymous_posters_on/ | {
"a_id": [
"dmogb4n",
"dmoip6x",
"dmojm2s",
"dmokbx4",
"dmolhn5",
"dmoluih",
"dmolwke",
"dmom1w2",
"dmom3pf",
"dmomqvw",
"dmomt7p",
"dmomyxi",
"dmonc90",
"dmonw80",
"dmonyfk",
"dmooawj",
"dmoonwk",
"dmooon1",
"dmoouis",
"dmop33b",
"d... | [] | [
"https://en.wikipedia.org/wiki/4chan#Arrests_for_child_pornography_and_cyberbullying"
] | [
[],
[
"https://www.dailydot.com/crime/tor-harvard-bomb-suspect/"
],
[],
[],
[],
[],
[],
[
"https://amiunique.org"
],
[],
[
"https://www.ceop.police.uk/Media-Centre/Press-releases/2012/CEOP-target-anonymous-online-child-sex-offenders/"
],
[],
[],
[],
[],
[
"https://y... | |
3xfd3n | why uber costs the exact same as a taxi here in australia, what's the point? | I know it's like cheaper in America and stuff, but there's no difference here | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xfd3n/eli5_why_uber_costs_the_exact_same_as_a_taxi_here/ | {
"a_id": [
"cy47qqy"
],
"score": [
2
],
"text": [
"How easily can you get cabs in australia? I am from Singapore and theres almost no point to using uber because they cost almost the same as cabs, and cabs are really common. I went to las vegas a couple of weeks ago, there is an abundance of cabs... | [] | [] | [
[]
] | |
7oxm37 | why does a baloon explode into many pieces when it is punctured with something sharp, but not do so when the bottom opening is opened? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7oxm37/eli5_why_does_a_baloon_explode_into_many_pieces/ | {
"a_id": [
"dsczwps",
"dsd08lx"
],
"score": [
2,
7
],
"text": [
"letting the air out of a balloon via the neck creates a rocket, popping a baloon creates a bomb. same amount of total energy, but one takes several seconds to happen, where the other takes several hundreds of a second. ",
... | [] | [] | [
[],
[]
] | ||
3gvwko | why does china seemingly want to cover up the number of deaths in the tianjin explosion? | Following the news, they originally estimated 14 deaths, since then that number seems to have crept up to arround 200 as families have posted reports (I assume through phone/internet)
They are also apparently censoring some Chinese websites.
What is their motive behind this? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3gvwko/eli5_why_does_china_seemingly_want_to_cover_up/ | {
"a_id": [
"cu1yzo0"
],
"score": [
4
],
"text": [
"China has a long history of under-reporting the deaths of a man-made disaster. My girlfriend is from Qingdao, and her uncle was present when a major train accident happened. You saw cars twisted beyond recognition and the death count was easily o... | [] | [] | [
[]
] | |
cy0ujv | how does information pass through the air? (ie, wifi, television, phone calls, etc.) how did someone learn to do that? what? science and technology literally blow my mind. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cy0ujv/eli5_how_does_information_pass_through_the_air_ie/ | {
"a_id": [
"eyoyt8h",
"eyp54b6",
"eypahix"
],
"score": [
21,
5,
7
],
"text": [
"Wireless communication usually uses radio waves, which are a form of electromagnetic radiation just like visible light is. While visible light is blocked by most solid materials, radio waves can pass t... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=z-_4k5y7Vjg"
],
[]
] | ||
boe7fy | do fish and insects feel pain differently? how do we know this scientifically? | People always say that those two groups experience pain differently than how humans do, usually defending the right to inflict pain. But how do we know this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/boe7fy/eli5_do_fish_and_insects_feel_pain_differently/ | {
"a_id": [
"enfhn5f"
],
"score": [
4
],
"text": [
"Feeling pain differently than humans is a tricky claim to make because pain is an element of your being. We can index it by the physical phenomena accompanying pain, but the phenomena isnt the complex emotional state itself. This leads to issues,... | [] | [] | [
[]
] | |
52l39c | how come there are nuclear powered ships,submarines and satellites, but not lorries or aircraft? | What are the pros and cons of nuclear powering an automotive? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/52l39c/eli5_how_come_there_are_nuclear_powered/ | {
"a_id": [
"d7l3cju",
"d7l3die",
"d7l3i7l",
"d7l3qxm"
],
"score": [
6,
3,
2,
2
],
"text": [
"pro - you won't have to fill up the tank for a long time, low pollution.\n\ncon - every wreck is a potential nuclear/radiological accident, fuel availability, disposal, easy availa... | [] | [] | [
[],
[],
[
"https://en.m.wikipedia.org/wiki/Project_Pluto"
],
[]
] | |
23pvyg | why is it important to include race on college applications? | I completely understand the need to prevent prejudice but how does race as a determinant in college applications actually do that. If applications did not include race but merely merit, is that not more justice? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/23pvyg/eli5_why_is_it_important_to_include_race_on/ | {
"a_id": [
"cgzefwy"
],
"score": [
3
],
"text": [
"I think it's more for demographic purposes. So they can look at any time and say 50% of our student population is ______, 30% is _____, etc."
]
} | [] | [] | [
[]
] | |
1ums5t | why is it so difficult to audit the military? | I understand somewhat if they can't account for EVERY dollar spent, but how exactly do they lose billions of dollars? Where does that money go? How did that happen?
If a private company lost billions, wouldn't they be up for criminal charges? Or is the military just so massive that it's impossible to account for this... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ums5t/eli5_why_is_it_so_difficult_to_audit_the_military/ | {
"a_id": [
"cejmzno",
"cejpyjr"
],
"score": [
5,
3
],
"text": [
"Nobody with the authority to follow every dollar cares enough to actually trace it.",
"There are three main reasons:\n\n- Size\n- Secrecy\n- Political difficulty\n\n**Size:**\n\nAs you mentioned, the military is *huge* a... | [] | [] | [
[],
[]
] | |
8od7j6 | how are some plastics immune to strong acids whereas significantly stronger materials will get melted through easily? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8od7j6/eli5_how_are_some_plastics_immune_to_strong_acids/ | {
"a_id": [
"e02isvr",
"e02j7cr"
],
"score": [
6,
4
],
"text": [
"It's to do with the chemistry of how acids work. Basically acids give up protons to other chemicals which changes the nature of whatever atom receives the proton. Materials that are resistant to acids are less prone to recei... | [] | [] | [
[],
[]
] | |
7xc78p | the process of an hiv infection | Specifically, how the cell attaches/injects/replicates/infects other cells. What does it turn CD4+ cells into? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7xc78p/eli5_the_process_of_an_hiv_infection/ | {
"a_id": [
"du78val"
],
"score": [
5
],
"text": [
"Based on the details given in the question, I'm assuming you have a working knowledge of general DNA processing, so I'm going to answer as such.\n\nHIV can attach specifically to CD4 receptors, which are commonly found on the surface of lymphocyt... | [] | [] | [
[]
] | |
47awq0 | what do those "make $4000/week working from home" scams actually tell you to do? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/47awq0/eli5_what_do_those_make_4000week_working_from/ | {
"a_id": [
"d0bmfra"
],
"score": [
4
],
"text": [
"The NPR podcast [Planet Money](_URL_0_) did an excellent episode from 01/29/2016 on this called \"Anatomy of a Scam\". In case you're not into podcasts, I'll...\n\n**TL;DL(isten)**: It is a kind of MLM scheme. Those companies basically masquera... | [] | [] | [
[
"http://www.npr.org/podcasts/510289/planet-money/"
]
] | ||
3q1tlx | how does piratebay manage to stay online when megaupload couldn't? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3q1tlx/eli5_how_does_piratebay_manage_to_stay_online/ | {
"a_id": [
"cwbbel0",
"cwbc72f"
],
"score": [
8,
6
],
"text": [
"Because piratebay has many serves in diffrent countries and they uses proxie sites _URL_0_, where megaupload only has one server and site which is very vunerable to law enforcments.",
"The PirateBay does not actually sto... | [] | [] | [
[
"https://thepiratebay-proxylist.org/"
],
[]
] | ||
2f0wiv | seriously, why are toilet holes so small? | I feel they would clog a lot less if they would just increase the diameter by even 2-3 cm. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2f0wiv/eli5_seriously_why_are_toilet_holes_so_small/ | {
"a_id": [
"ck4tcnn"
],
"score": [
7
],
"text": [
"Because it increases the pressure of the water that is pushing faeces down into the waste pipe."
]
} | [] | [] | [
[]
] | |
5lxd2f | how did they know that is dinosaur skin ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5lxd2f/eli5_how_did_they_know_that_is_dinosaur_skin/ | {
"a_id": [
"dbz8ip5"
],
"score": [
2
],
"text": [
"If the DNA was preserved enough to amplify and sequence that's probably how they identified it. Maybe along with dating the sample to an era where dinosaurs walked the earth "
]
} | [] | [] | [
[]
] | ||
1xljpw | how do they make the automated machines that are seen on shows like "how it's made"? | How do they make the automated machines that we see on shows like "How it's Made" where they make various consumer goods or as we see in GIFs on /r/oddlysatisfying?. They seem so complex and some of them ingenious.. so how are they made, who comes up with them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xljpw/eli5_how_do_they_make_the_automated_machines_that/ | {
"a_id": [
"cfcfi2z",
"cfcfnuq"
],
"score": [
2,
5
],
"text": [
"They are made by other automated machines. \n\nBut seriously, engineers. ",
"First design a machine that does just ONE job, but does it faster than humans can ever do (for example, putting labels on cans). Now design the... | [] | [] | [
[],
[]
] | |
2ht5l4 | how did accounting start? | my question is at what point did we start having balance sheets, income statements and why? Especially in the early days where the cash was easily manipulable? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ht5l4/eli5_how_did_accounting_start/ | {
"a_id": [
"ckvre72"
],
"score": [
3
],
"text": [
"Accounting actually seems to have started before the writing of words. Counting flocks and crop yields and such appears to have led to the development of numbers and methods for keeping track of them securely so that transactions could be reviewe... | [] | [] | [
[
"https://en.wikipedia.org/wiki/History_of_writing_ancient_numbers"
]
] | |
52qevb | if earth had a longer day / night cycle would our body be able to adjust. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/52qevb/eli5if_earth_had_a_longer_day_night_cycle_would/ | {
"a_id": [
"d7mdlub",
"d7mdx21"
],
"score": [
2,
2
],
"text": [
"If the day were 48 hours long the heat balance would be off. Imagine the hot part of the day, now cook the earth for an additional 12 hours, and simultaneously cool the other side with the heat sink of outer space. I have ... | [] | [] | [
[],
[]
] | ||
f1bqmm | what is the reasoning behind voting in the presidential election if the candidate can win the popular vote but still lose the election? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f1bqmm/eli5_what_is_the_reasoning_behind_voting_in_the/ | {
"a_id": [
"fh3hvkt",
"fh3icbi"
],
"score": [
5,
3
],
"text": [
"To keep more populous states like New York and california from completely strong-arming the entire election process over more rural and sparsely populated states like the dakotas.",
"The vote still decides who wins so yo... | [] | [] | [
[],
[]
] | ||
6pxjlo | why is cybercrime so hard to stop? | Recently my family has been a victim of cybercrime in the case of stolen identity. We have literally tried everything from contacting the server who claim not to host the website to shutting down each bank they use just for them to open another one. It seems like no one can do anything about it. Why is it so hard? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6pxjlo/eli5_why_is_cybercrime_so_hard_to_stop/ | {
"a_id": [
"dksxr8g",
"dksyttf"
],
"score": [
2,
7
],
"text": [
"The internet is a worldwide network. Cybercrimes can be committed from anywhere on Earth. Your local police or even the FBI do not have jurisdiction everywhere. ",
"Because nobody really cares about cybersecurity excep... | [] | [] | [
[],
[]
] | |
utfof | karma calculation | I just can't figure out how the system of karma works. Apparently an upvote doesn't directly give you 1 Karma Point, and you don't seem to get any, if it's a self post. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/utfof/eli5_karma_calculation/ | {
"a_id": [
"c4ydssg"
],
"score": [
5
],
"text": [
"Self-posts grant no karma. \n\nKarma numbers on comments and posts are fudged to prevent people who run vote-bots from knowing if the bot has been shadow-banned or not. Otherwise, karma and upvotes are a 1-to-1 relationship; 1 upvote is 1 karma. ... | [] | [] | [
[]
] | |
4dwlws | how come the /70's/80's/90's seem so distinctive yet the 2000's and 2010's don't seem to have distinct personalities? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dwlws/eli5how_come_the_70s80s90s_seem_so_distinctive/ | {
"a_id": [
"d1uybd4",
"d1uyjvd",
"d1uzlxp",
"d1v0fvw",
"d1v0x9r",
"d1v16ur",
"d1v2hpd",
"d1v3j9v",
"d1v564p",
"d1v5x0w",
"d1v7e4l",
"d1va0wn",
"d1vbeym",
"d1vc3wq",
"d1vcdkk",
"d1vh9gm",
"d1vkap6",
"d1vl0hi",
"d1vpfg1",
"d1vphho",
"d... | [] | [] | [
[],
[],
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Hyperreality"
],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
2jvy8n | why is soda + ice cream (aka a float) tasty but soda + milk gross? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jvy8n/eli5_why_is_soda_ice_cream_aka_a_float_tasty_but/ | {
"a_id": [
"clfj9ih",
"clfjijo",
"clfkamv"
],
"score": [
7,
2,
6
],
"text": [
"Because ice cream is loaded w/ sugar, cream, and flavoring. Milk is not.",
"Soda and milk is delicious! We used to make it at my restaurant all the time. The key is to use coke or root beer, lots o... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Egg_cream"
]
] | ||
j88ro | how tax cuts reduce unemployment. | People say it all the time but I still don't understand how the two link up in any real way. Wouldn't the people just keep their money? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j88ro/eli5_how_tax_cuts_reduce_unemployment/ | {
"a_id": [
"c29yh89",
"c29yky0",
"c29yh89",
"c29yky0"
],
"score": [
2,
4,
2,
4
],
"text": [
"Some tax cuts do, others don't, but the basic idea is this:\n\nEconomists have demonstrated that government spending is in certain ways inherently inefficient; governments can't 'p... | [] | [] | [
[],
[],
[],
[]
] | |
14j1ao | how can my dog go from sitting by the fire to outside in the snow without apparently be bothered by the huge change in temperature? | To clarify, i take my dog out just before bed, where she goes from as close to the fire without burning to -5C (as it was the other day) and then precedes to sit in the snow whilst I have a cigarette shivering my arse off. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14j1ao/eli5_how_can_my_dog_go_from_sitting_by_the_fire/ | {
"a_id": [
"c7dh9yq"
],
"score": [
2
],
"text": [
"They have fur which insulates them.\n\nEDIT: words."
]
} | [] | [] | [
[]
] | |
2s5mjj | does the immune system have a maximum learning capacity for vaccinations? | If vaccines "teach" the immune system to recognise and defeat viruses, is there a maximum number of viruses that the immune system can learn and remember to fight against before it doesn't have capacity to learn any more? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2s5mjj/eli5_does_the_immune_system_have_a_maximum/ | {
"a_id": [
"cnmee0h"
],
"score": [
3
],
"text": [
"There can be a problem with your immune system being full of memory T cells for pointless things, but vaccines are not going to cause this.\n\n[CMV](_URL_0_) (Cytomegalo virus) is the biggest risk in this regard. It is endemic in the population, ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Cytomegalovirus",
"http://www.plospathogens.org/article/info%3Adoi%2F10.1371%2Fjournal.ppat.1002295"
]
] | |
4kvpao | is there a level of sugar in water at which if cotton candy was added, it wouldn't dissolve? | Seeing raccoons saddened by their cotton candy treats quickly dissolving in water, it made me wonder if there was a sugar saturation point at which you could dunk your candy in water without it immediately dissolving.
_URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4kvpao/eli5is_there_a_level_of_sugar_in_water_at_which/ | {
"a_id": [
"d3i4rxp",
"d3i4ybv"
],
"score": [
2,
3
],
"text": [
"Yep. You can easily replicate this with a few sugar cubes in a small cup.\n\nBut you'd end up with a gloppy mess. The cotton candy would soak up the saturated water and its strands would weld together. It wouldn't be \"cotto... | [] | [
"http://i.imgur.com/wEcx2Jj.gif?114"
] | [
[],
[]
] | |
6qdp8v | why do we instinctively want to say things in certain orders. e.g "the big red hammer" sounds good but "the red big hammer" sounds unnatural when both are grammatically correct? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6qdp8v/eli5_why_do_we_instinctively_want_to_say_things/ | {
"a_id": [
"dkwglxv"
],
"score": [
2
],
"text": [
"It's cultural, and it's also the way we convey significance. If there were 2 big hammers and you preferred the red one, you'd say red first because it clarifies what you mean. In French they say the noun first, adjective 2nd which would sound biz... | [] | [] | [
[]
] | ||
y83hz | how do i use a ssh tunnel to log onto websites? | I spend a good chunk of my day logged into Reddit while at the office. If the IT guy starts seeing _URL_0_ come up a lot, they might block the domain. My friend suggested I use a SSH tunnel to mask the activity. How do I do this? I do have a SSH client installed, but I never use it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/y83hz/eli5_how_do_i_use_a_ssh_tunnel_to_log_onto/ | {
"a_id": [
"c5t6r20",
"c5t6urz",
"c5t7szr"
],
"score": [
4,
4,
3
],
"text": [
"They are probably meaning that you should set up an ssh tunnel to an external computer (such as a rented server space, or in principle your home computer), and route all your traffic through it. I don't... | [] | [
"Reddit.com"
] | [
[],
[],
[
"https://dl.dropbox.com/u/65506/Using%20a%20VPN.pdf",
"reddit.com"
]
] | |
3cahc3 | why can't people withdraw their money from a bank that goes bankrupt? specifically those regular savings accounts? that supposedly have no such risk as it's a saving, not an investment. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cahc3/eli5_why_cant_people_withdraw_their_money_from_a/ | {
"a_id": [
"cstparv",
"cstpazr",
"cstpgpf"
],
"score": [
4,
2,
2
],
"text": [
"Any money you put into a bank they use to lend to others. If they go bankrupt then they have absolutely nothing left and your money is gone",
"In America They're insured up to 100k - past that you'r... | [] | [] | [
[],
[],
[]
] | ||
26o02b | how glass gains its characteristics such as sound proof, bullet proof, tempered, flexable, etc. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26o02b/eli5_how_glass_gains_its_characteristics_such_as/ | {
"a_id": [
"chsu77n"
],
"score": [
2
],
"text": [
"tempered glass in heat treated in such a way that it changes the glass molecularly. Bullet proof glass isnt bullet proof, its bullet resistant. The way that works is that it is really several pieces of glass laminated together. The lamination a... | [] | [] | [
[]
] | ||
3bk8yr | why do formula 1 cars require a certain amount of heat in the brakes and the tires to turn and stop quickly? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bk8yr/eli5_why_do_formula_1_cars_require_a_certain/ | {
"a_id": [
"csmvzur"
],
"score": [
6
],
"text": [
"Think about a piece of paper dragging across the table. \n\nIf the paper is dry it slides easily. It is hard and barely touches the table. There is very little friction.\n\nIf the paper is wet it won't slide at all. It is soft and sticks to the t... | [] | [] | [
[]
] | ||
6a2wqa | without having a biased response, what exactly is sally yates role in the investigation with russia? | really don't know cause of the sites twisting words. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6a2wqa/eli5_without_having_a_biased_response_what/ | {
"a_id": [
"dhbbrtf",
"dhbi6r5"
],
"score": [
3,
4
],
"text": [
"Sally Yates was acting attorney general. She has testified that in February of this year she informed the Trump administration that then National Security Advisor Flynn had lied to Vice President Pence about communicating wi... | [] | [] | [
[],
[]
] | |
1lxdbv | if temperature is defined by the average kinetic energy of something, how does a fan blowing on me not feel warmer than room temperature? | Doesn't the fan increase the kinetic energy?
EDIT: I know how the fan takes away my heat thus making me cooler, but I guess I should have worded it, "why doesn't a thermometer read that the moving air is hotter than the room temperature stagnant air?" | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1lxdbv/eli5_if_temperature_is_defined_by_the_average/ | {
"a_id": [
"cc3of22"
],
"score": [
2
],
"text": [
"Your body cools itself via evaporation: vapors and gasses can carry away a great deal of heat as they evaporate or transition from liquid to gas; it's the same principle that makes spray cans and refrigerators cold. That's why you perspire. Even... | [] | [] | [
[]
] | |
5cjglf | how do ants walk on walls? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5cjglf/eli5_how_do_ants_walk_on_walls/ | {
"a_id": [
"d9wyurt"
],
"score": [
5
],
"text": [
"Ants, like (probably?) every other insect, have little [pincers for feet](_URL_0_). This allows them to grab onto walls and ceilings. They hardly weigh anything, so they can easily hold their weight on the wall/ceiling."
]
} | [] | [] | [
[
"http://static.panoramio.com/photos/large/64049307.jpg"
]
] | ||
2aabof | will we ever run out of space for satellites to orbit the earth? | It seem like we have a bunch of satellites up there... Will we ever run out of room for them all? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2aabof/eli5_will_we_ever_run_out_of_space_for_satellites/ | {
"a_id": [
"cit2vjn"
],
"score": [
5
],
"text": [
"We already allocate some orbits through international agreements. Putting a satellite in a geosynchronous orbit, an orbit that takes 24 hours to complete meaning the satellite appears to remain in the same place in the sky all the time, requires... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Kessler_syndrome"
]
] | |
1bjbgz | why colleges require that we take classes that aren't particularly related to our carrer interest/major? | Why do universities require us to take classes (that I have to pay for!) that have very little to do with our major? For example, If I'm currently majoring in Computer Science, how does a foreign language class benefit my major? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1bjbgz/eli5_why_colleges_require_that_we_take_classes/ | {
"a_id": [
"c975lsh",
"c975tf0",
"c9762vv"
],
"score": [
4,
2,
3
],
"text": [
"College isn't just about getting a degree, it's about building life skills and gaining experience that will benefit you in the \"real world\". \n\nPhilosophy helps you think \"outside the box\". Writing... | [] | [] | [
[],
[],
[]
] | |
3ntanm | why are construction machines (backhoes, loaders, bulldozers) always yellow? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ntanm/eli5_why_are_construction_machines_backhoes/ | {
"a_id": [
"cvr24yf",
"cvr25lw",
"cvr2t2k"
],
"score": [
7,
2,
2
],
"text": [
"Very simple answer for this. When you are shown a color circle, the one that stands out the most is almost always yellow. Yellow is the color that most easily gets your attention so it is important to h... | [] | [] | [
[],
[],
[]
] | ||
4krkfw | how do airports and airlines coordinate schedules across the globe? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4krkfw/eli5_how_do_airports_and_airlines_coordinate/ | {
"a_id": [
"d3h7uwh",
"d3h8j8z"
],
"score": [
2,
6
],
"text": [
"All aviation and nautical organisations use Zulu time. (Zulu as in the phonetic Z). Zulu time is the world standard time, if you like. It's the same at Greenwich Mean Time which is the same time as London's time zone. With t... | [] | [] | [
[],
[]
] | ||
8vl0os | why does fox keep cancelling popular shows such as b99 and lucifer? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8vl0os/eli5_why_does_fox_keep_cancelling_popular_shows/ | {
"a_id": [
"e1o5mgj",
"e1pso4f"
],
"score": [
8,
2
],
"text": [
"People don’t think the shows are as great as you do so they don’t tune in and the fuck it doesn’t make enough money so they canceled it",
"It's important to remember that it's not about enough people watching or the show... | [] | [] | [
[],
[]
] | ||
x7qns | how can _url_0_ keep all those photos stored on their servers? | If I'm a complete idiot, feel free to call me out on it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/x7qns/eli5_how_can_imgurcom_keep_all_those_photos/ | {
"a_id": [
"c5jykhv",
"c5jzxi4",
"c5k07na"
],
"score": [
2,
4,
34
],
"text": [
"Hard drive space is pretty cheap these days. The last time I bought a hard drive you could get 1.5TB for $100, and that was like three years ago.",
"Why don't you ask MrGrim himself. He is a regula... | [
"Imgur.com"
] | [] | [
[],
[
"http://www.reddit.com/r/imgur"
],
[
"http://www.limelight.com",
"http://aws.amazon.com/s3/",
"http://www.akamai.com/html/technology/dataviz3.html"
]
] | |
1zg58i | why is samsung able to release new technology/products at such as fast rate and apple waits so long to release new tech/products? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zg58i/eli5_why_is_samsung_able_to_release_new/ | {
"a_id": [
"cftclal"
],
"score": [
5
],
"text": [
"Different marketing schemes. Samsung's plan is to offer a variety of products that fit whatever needs you have. Apple's plan is to offer one product that can do \"most\" of what \"most\" people want. Each has its pros and cons, but it's not a ... | [] | [] | [
[]
] | ||
40dkur | how do crows and other birds with one "call" communicate? | How can these birds differentiate between what seems to be the same sound? Is it the amount of calls in a sequence? The length? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40dkur/eli5how_do_crows_and_other_birds_with_one_call/ | {
"a_id": [
"cyte5eu"
],
"score": [
3
],
"text": [
"The simple answer is they don't have a single call...birds, including crows have dozens of known calls which vary in length, pitch, tone, and sequence. The context in which the call is given can also give the receiver clues about its meaning and ... | [] | [] | [
[]
] | |
1x29de | why haven't we found a way to permenantly remove hair for good? is it even possible? | Edit: Laser Hair Removal actually does not permanently remove all hair, it thins the hair deeply.
I am talking about removing the hair follicles completely so that no hair can grow again. Maybe some sort of chemicals that they can do extensive reseach on. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1x29de/why_havent_we_found_a_way_to_permenantly_remove/ | {
"a_id": [
"cf7ict7",
"cf7p09v"
],
"score": [
4,
2
],
"text": [
"Electrolysis is permanent and has been around for a while. However it is time consuming, can be very painful, and is prohibitively expensive for large areas",
"You are seriously gonna piss off a lot of bald people with t... | [] | [] | [
[],
[]
] | |
azqtui | what is the difference between slander, libel and defamation? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/azqtui/eli5_what_is_the_difference_between_slander_libel/ | {
"a_id": [
"ei9j6qc",
"ei9ketn"
],
"score": [
10,
5
],
"text": [
"Defamation is when you make a false statement to a third party that damages the reputation of the targeted party. \n I stress the third party because it is not defamation if you make a false claim to the person directly; it... | [] | [] | [
[],
[]
] | ||
2n8zt8 | how do bills and fines work for foreigners? | How does a traffic fine or a bill for medical expenses or similar work for foreigners? I.e. you go on a vacation and get sick and have to be treated in hospital without insurance. And you go back to your country and then what? Can you default on your payment and what would the consequences be? Same way for traffic viol... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2n8zt8/eli5how_do_bills_and_fines_work_for_foreigners/ | {
"a_id": [
"cmbgzvz",
"cmbkpwu"
],
"score": [
5,
2
],
"text": [
"1. medical expenses, hospitals would most likely use debt collection agencies, these agencies would have contacts in other countries. The foreign agencies may be able to turn the case to local authorities, or settle it in co... | [] | [] | [
[],
[]
] | |
1z2k85 | i'm not allowed to donate blood because i'm on multiple mood altering meds. why am i allowed to be an organ donor? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1z2k85/eli5_im_not_allowed_to_donate_blood_because_im_on/ | {
"a_id": [
"cfpxqtn",
"cfpxt70"
],
"score": [
4,
2
],
"text": [
"There are techniques that can filter literally anything out of blood/tissues. But they are expensive both in time and money, or at least expensive enough to make it inefficient to take your blood (because they can take it fr... | [] | [] | [
[],
[]
] | ||
1cmlrg | why do banks charge a "service fee"? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1cmlrg/eli5_why_do_banks_charge_a_service_fee/ | {
"a_id": [
"c9hxkf4",
"c9hxuyy",
"c9i4tp4"
],
"score": [
11,
2,
4
],
"text": [
"Because it costs them some amount of money to do a particular act, either a computer or a person has to handle it. Since that costs money, and you will willingly pay that money, they charge you for it... | [] | [] | [
[],
[],
[]
] | ||
4se2gp | why didn't either of the wtc towers collapse sideways? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4se2gp/eli5why_didnt_either_of_the_wtc_towers_collapse/ | {
"a_id": [
"d58k6xb",
"d58k7bq",
"d58k8nu",
"d58kbba",
"d58khkx",
"d58kj5j",
"d58nrtf",
"d58p4zg"
],
"score": [
5,
13,
14,
2,
2,
5,
2,
7
],
"text": [
"Because the planes don't have enough energy to push the towers sideways, as a matter of fa... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[
"http://www.ussartf.org/images/wtc_collapse3.gif",
"http://image.shutterstock.com/z/stock-photo-skyscraper-under-construction-paseo-de-la-reforma-mexico-city-mexico-49013653.jpg"
]
] | ||
4ydf19 | h+ and oh- ions role in electroplating. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ydf19/eli5_h_and_oh_ions_role_in_electroplating/ | {
"a_id": [
"d6mxc82"
],
"score": [
2
],
"text": [
"Not going into deep chemistry, these ions doesn't do much in electroplating.\n\nElectroplating is when you attract ions of a metal with electric current onto another metal. You don't bother with other ions during that process. Every mole of coate... | [] | [] | [
[]
] | ||
4flhv9 | why do cats get "the zoomies"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4flhv9/eli5_why_do_cats_get_the_zoomies/ | {
"a_id": [
"d29wuz0",
"d29wyeh",
"d29xceu",
"d29y7ye",
"d29zxp2",
"d2a03l7"
],
"score": [
64,
68,
23,
13,
3,
2
],
"text": [
"We call it \"the poop run.\" Right after she goes to the bathroom she tears around the house like she's on fire. \n\nDoes anyone els... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
1ycc44 | why do americans love pickup trucks so much ? | I have been to american two times and I have seen more pickups in the time I have been on vacation in america than I have seen my entire life here in Norway. Over here the pickup truck is used like an utility vehicle and not as a family car. What use of the pickup truck has the american family that the european family ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ycc44/eli5_why_do_americans_love_pickup_trucks_so_much/ | {
"a_id": [
"cfj76ye",
"cfj7bp0",
"cfj8boq",
"cfj8lln",
"cfj9djx",
"cfj9gls",
"cfja5tp",
"cfjavrz",
"cfjb3i3",
"cfjc2ue",
"cfjc6uf",
"cfjc7nc",
"cfjc895",
"cfjcso8",
"cfjctrt",
"cfjd1i9",
"cfjd3wz",
"cfjd4tv",
"cfjdh20",
"cfjdwj9",
"c... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Corporate_Average_Fuel_Economy#SUVs_and_minivans_created_due_to_original_mandate"
],
[
"http://money.cnn.com/2011/03/10/news/international/gas_prices_worldwide/"
],
[
"https://www.ccjdigital.com/chevy-to-offer-wifi-on-2012-silverado-pickup-trucks/"
],
[]... | |
3qy3c4 | how do musicians interpret the conductor's arm/baton movements as specific instructions for their particular contribution? is there some sort of known movement to scale extrapolation or musical empathy or even him just being there for show? | Obviously, I am not musical at all but I've always wondered how the mechanics of conducting work. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qy3c4/eli5_how_do_musicians_interpret_the_conductors/ | {
"a_id": [
"cwjb9qi",
"cwjba83"
],
"score": [
3,
2
],
"text": [
"This is a hard one to explain. But basically the conductor's movements really tells the band how to play.\n\nAs you get more and more advanced in your playing the conductor becomes less useful in telling you the time signatu... | [] | [] | [
[],
[]
] | |
5ukjrc | how do knife/tomahawk throwers know that the head of the axe/knife is going to hit their target? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ukjrc/eli5_how_do_knifetomahawk_throwers_know_that_the/ | {
"a_id": [
"dduqe49",
"dduqrz4",
"dduqvn8"
],
"score": [
7,
24,
8
],
"text": [
"Theres a technique to it. They adjust how fast they spin the blade for different distances. It takes a looot of practice.",
"I took an axe throwing class last summer.\n\nA well thrown axe always re... | [] | [] | [
[],
[],
[]
] | ||
kdeib | the pumping lemma | _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/kdeib/eli5_the_pumping_lemma/ | {
"a_id": [
"c2je54z",
"c2jebbj",
"c2je54z",
"c2jebbj"
],
"score": [
9,
5,
9,
5
],
"text": [
"For a handful of academic fields and topics (such as computer science, compilers, etc.), there's a fundamental need to know if languages are called *regular*. The languages aren't... | [] | [
"http://en.wikipedia.org/wiki/Pumping_lemma"
] | [
[],
[
"http://en.wikipedia.org/wiki/Pigeonhole_principle"
],
[],
[
"http://en.wikipedia.org/wiki/Pigeonhole_principle"
]
] | |
b5m8vl | why are a lot of old games (halo, wow classic, etc.) starting to re surge and be re released after 10+ years from when they were made? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b5m8vl/eli5_why_are_a_lot_of_old_games_halo_wow_classic/ | {
"a_id": [
"ejef81s",
"ejekpzc"
],
"score": [
15,
21
],
"text": [
"It's easy money for game companies and the companies that own them to have them rerelease games with a few gimmicks added in order to make more money for other projects. Or just more money for money's sake. \n\nIt's a way ... | [] | [] | [
[],
[]
] | ||
5b0i6u | why do different people like different climates? | For example I love humidity and would rather be warm/hot than too cold, but I know that some people hate humidity and would much rather be too cold than warm or too hot. Why are some climates more comfortable to some than others? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5b0i6u/eli5_why_do_different_people_like_different/ | {
"a_id": [
"d9l51hz"
],
"score": [
2
],
"text": [
"I live in the Las Vegas Valley and chances are if you lived here long enough you grew a tolerance to heat, went to Norwalk (east of los angeles) and I was FREEZING. \n\nAfter long periods of time we get used to the temperatures in our enviroment,... | [] | [] | [
[]
] | |
6qtdax | what makes 70mm film screenings different? (i.e. dunkirk) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6qtdax/eli5_what_makes_70mm_film_screenings_different_ie/ | {
"a_id": [
"dkzxcnz",
"dkzxcxg"
],
"score": [
10,
16
],
"text": [
"In terms of color and dynamic-range digital sensors come close to the performance of film. However in terms of resolution, digital is nowhere near film. 70mm has a resolution of about 18,000 horizontal lines. For referenc... | [] | [] | [
[
"http://www.artbyphil.com/temp/reduser/phfx_SensorChart2014.jpg"
],
[]
] | ||
5uvu9z | across different western languages, why are there names that share an obvious common root while the languages don't? | Names such as Nikolai, Josef, or Mikhail are all recognizable to an English speaker. However, Russian and English don't stem from the same language. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5uvu9z/eli5_across_different_western_languages_why_are/ | {
"a_id": [
"ddxa3ym",
"ddxbgko",
"ddxdkiw"
],
"score": [
9,
2,
2
],
"text": [
"Russian and English both belong to the Indo-European family. But that's actually not the reason, since you have Hungarian, which is not Indo-European, and has recognizable names ─ Miklós, Jószef, Mihály... | [] | [] | [
[],
[],
[]
] | |
9cqxll | why do rocks seem to be dull and colorless when dry but explode with color and character when they’re wet? | I have a rock collection but they they suck when they’re dry. So when I show people (anyone who will lol) I dunk them in water first but I don’t know why water makes them more vibrant as I don’t see this in other objects. You might say it’s because of dust but this isn’t true because I get them wet, then they dry and b... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9cqxll/eli5_why_do_rocks_seem_to_be_dull_and_colorless/ | {
"a_id": [
"e5cnehl",
"e5cnnpp",
"e5cwv5n",
"e5cz13r",
"e5czml3",
"e5d1cw6",
"e5di7vg"
],
"score": [
2243,
646,
179,
35,
38,
8,
2
],
"text": [
"Several reasons, the major one at play is that it changes how the light reflects off the surface. It cons... | [] | [] | [
[
"http://www.askamathematician.com/2012/06/q-why-do-wet-stones-look-darker-more-colorful-and-polished/"
],
[],
[],
[],
[],
[],
[]
] | |
barw4q | why are shows with fake laughter so succesful? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/barw4q/eli5_why_are_shows_with_fake_laughter_so_succesful/ | {
"a_id": [
"ekdlkuj",
"ekdlm5w",
"ekdlm8c"
],
"score": [
9,
4,
8
],
"text": [
"Laughter, like yawning, can be an \"Infectious\" reaction. We hear it, and there is often a compulsion to join in, and that in turn can trick some people into thinking something is funnier than it might... | [] | [] | [
[],
[],
[]
] | ||
sahoy | why are truly random numbers significantly advantageous to pseudorandom numbers? | I understand the way that truly random and pseudorandom numbers differ (for what it's worth, [there's a good explanation here](_URL_0_)) and how difficult it is to generate truly random numbers, but why do people value true randomization?
For instance, [cbswe commented that truly random numbers are often sold online](... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/sahoy/why_are_truly_random_numbers_significantly/ | {
"a_id": [
"c4cfzyp",
"c4cg1s0",
"c4cgp0v",
"c4chab5",
"c4ciq7n"
],
"score": [
5,
30,
6,
4,
5
],
"text": [
"As you noted, the biggest value is in cryptography, where non-randomness can be exploited to break ciphers. The only other place I can think of is when doing... | [] | [
"http://www.reddit.com/r/science/comments/s9k51/researchers_have_developed_the_fastest_random/c4cc1m4",
"http://www.reddit.com/r/science/comments/s9k51/researchers_have_developed_the_fastest_random/c4c8ndd"
] | [
[],
[],
[],
[],
[]
] | |
5ojw8m | what actually happens when you get frostbite if there is no chance of saving the body part? does the whole thing - including the bone - simply break off? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ojw8m/eli5_what_actually_happens_when_you_get_frostbite/ | {
"a_id": [
"dcju2wm",
"dcju86b",
"dcjuaqn"
],
"score": [
4,
5,
3
],
"text": [
"Your cells are mostly water. When water freezes, it expands, effectively killing the cells even if they thaw out. Your body can replace a few damaged or dead cells, but as the affected region grows larg... | [] | [] | [
[],
[],
[]
] | |
1ffx30 | how does novocaine work to numb tissue and how how/why does it wear off? | Huh? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ffx30/eli5_how_does_novocaine_work_to_numb_tissue_and/ | {
"a_id": [
"ca9vo3r"
],
"score": [
4
],
"text": [
"I can give you a very large and complex answer if you change your mind. \n\nNovocaine hasn't been used in a long time. It's an eponym. \n\nIt's a sodium channel blocker. Meaning your local anesthetic gets in the way of pain signals thus blocking ... | [] | [] | [
[]
] | |
59rojk | why do medieval hoods have a "tail"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/59rojk/eli5_why_do_medieval_hoods_have_a_tail/ | {
"a_id": [
"d9av3d6"
],
"score": [
7
],
"text": [
" they were called liripipes. Most people believe it was just a fashion trend at the time, one that was capitalized by modern artists/video games/what have you whenever they want to make something look \"medieval.\" There are a few manuscripts fro... | [] | [] | [
[]
] | ||
3hcsh6 | with no operator in sight how do railroad crossing activate? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3hcsh6/eli5_with_no_operator_in_sight_how_do_railroad/ | {
"a_id": [
"cu68syd",
"cu68ul0",
"cu68wbg"
],
"score": [
2,
2,
5
],
"text": [
"where I live there are sensors on the tracks a certain distance down the tracks that activate the crossing guards. I don't remember how far out they are.",
"There are sensors in both directions on ... | [] | [] | [
[],
[],
[]
] | ||
690nhq | why do we use the current signal waves for wifi even though they can get disrupted by walls? is there a better solution, if so why aren't we using it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/690nhq/eli5_why_do_we_use_the_current_signal_waves_for/ | {
"a_id": [
"dh2t6bs",
"dh2t8mr"
],
"score": [
2,
3
],
"text": [
"Tl;dr it's a tradeoff of speed vs range with current technologies.\n\nDisclaimer: not an expert, or even an enthusiast. Take this with a grain of salt.\n\nWifi is a relatively high-frequency band, which means it's easily sto... | [] | [] | [
[],
[]
] | ||
3d2xzm | can you lock a door with a lockpick? | Just realised I have no idea whether this is possible or not, Google has not helped. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3d2xzm/eli5_can_you_lock_a_door_with_a_lockpick/ | {
"a_id": [
"ct1b4r2"
],
"score": [
2
],
"text": [
"Yep. The same principle works, you just spin the lock the other direction once all the pins are lined up. In a tumbler lock anyway."
]
} | [] | [] | [
[]
] | |
ji24c | steroids? | I don't understand steroids. I've seen pictures of users like Barry Bonds who look a lot bigger, but what did the drug do on the inside? Just give the user more energy to life more weights, or something else? What's the advantage in sports? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ji24c/eli5_steroids/ | {
"a_id": [
"c2cafcw",
"c2cagar",
"c2cafcw",
"c2cagar"
],
"score": [
4,
8,
4,
8
],
"text": [
"Steroids are chemicals that allow the user to build muscle, build it faster, and have more endurance than a normal person. They are hormones that are normally in a human body, but ... | [] | [] | [
[],
[],
[],
[]
] | |
44kmmq | why do restaurants offer various types of bread before the main course if it serves only to full us up? wouldn't this in turn make them less money? | You've had them before. Red Lobster with their cheesy biscuits, Olive Garden and their endless breadsticks, and Outback with its honey-wheat bread served with butter. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/44kmmq/eli5_why_do_restaurants_offer_various_types_of/ | {
"a_id": [
"czqvgm7",
"czqvmxy",
"czqvoai",
"czqw0cb"
],
"score": [
22,
5,
12,
3
],
"text": [
"To my understanding, it's cheap, it makes the patron feel like they're getting something for free - which always feels good. In addition, it keeps the customer preoccupied while ... | [] | [] | [
[],
[],
[],
[]
] | |
a6x2so | what causes people to become less flexible? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a6x2so/eli5_what_causes_people_to_become_less_flexible/ | {
"a_id": [
"ebyotpq"
],
"score": [
8
],
"text": [
"Flexibility comes from our ligaments and tendons, the fibers that hold our muscles together and anchor them to our bones. Over time, they start to harden. \n\nYour genes only care about you as long as you can reproduce. There's no incentive to ma... | [] | [] | [
[]
] | ||
7yjrpf | why do some recipes call for melted butter? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7yjrpf/eli5_why_do_some_recipes_call_for_melted_butter/ | {
"a_id": [
"duh386p",
"duh46s0"
],
"score": [
3,
2
],
"text": [
"Basically, when recipies call for softened butter, they use the creaming method; the sugar and butter are mixed together in such a way that the sugar cuts little air bubbles into the butter. These little bubbles can add some... | [] | [] | [
[
"https://cooking.stackexchange.com/questions/13096/why-is-there-a-difference-between-softened-and-melted-butter-when-baking",
"https://oureverydaylife.com/softened-vs-melted-butter-baking-41737.html"
],
[]
] | ||
7e48r6 | why do guns that fire the same caliber of bullet have different muzzle velocities? | I'm looking at the wikipedia for the M16 and the M4 carbine. They are both listed as firing 5.56 x 45mm cartridges.
The muzzle velocity for the M16 is listed at 960 m/s.
The muzzle velocity of the M4 is listed at 910 m/s.
Is this a function of barrel length? Some other variable? My understanding was that the same ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7e48r6/eli5_why_do_guns_that_fire_the_same_caliber_of/ | {
"a_id": [
"dq2c7wh"
],
"score": [
9
],
"text": [
"Bullets are accelerated by the expanding hot gasses behind the bullet. If your barrel is 3 inches long, the bullet leaves the barrel before all the gas is finished pushing on the bullet.\n\nIf your barrel is 5 feet long, the gas pushes all it can... | [] | [] | [
[]
] | |
3b0wt7 | why is the majority of the us navy nuclear powered ships but super tankers aren't? | I saw a post the other day about the amount of pollution that super tankers and container ships produce. Wouldn't nuclear be way more efficient? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b0wt7/eli5_why_is_the_majority_of_the_us_navy_nuclear/ | {
"a_id": [
"cshsruw",
"cshst7f",
"cshtur8"
],
"score": [
6,
3,
2
],
"text": [
"Cost. Our newest nuclear aircraft carrier cost 13 billion dollars. How many loads of cargo are you going to have to haul to make up for that? And you would first have to have 13 billion dollars or ha... | [] | [] | [
[],
[],
[]
] | |
61ig2j | what improvements in spaceflight have we made since the moonlanding? | SpaceX's reusable stage 1 landings is important, but outside of that what has actually improved in rocketry since then? Are our rockets measurably more efficient/reliable? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/61ig2j/eli5_what_improvements_in_spaceflight_have_we/ | {
"a_id": [
"dfeu4xz",
"dfexid5"
],
"score": [
6,
2
],
"text": [
"The efficiency of engines probably didn't improve very much as there is just so much energy in chemical reactions (the same engine is planned to be used in the new NASA SLS as was with the space shuttles since the 80s). Ther... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Hayabusa_2",
"https://en.wikipedia.org/wiki/SABRE_\\(rocket_engine\\)",
"https://en.wikipedia.org/wiki/Dawn_\\(spacecraft\\)",
"https://en.wikipedia.org/wiki/Ion_thruster"
]
] | |
errbl4 | what is a super tuesday? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/errbl4/eli5_what_is_a_super_tuesday/ | {
"a_id": [
"ff5gt55",
"ff5z4v8"
],
"score": [
7,
2
],
"text": [
"Super Tuesday is a Tuesday on which a number of states hold primary elections in the United States. Many large states hold primaries on this day, and these are generally the first primaries after the 4 early primary/caucus s... | [] | [] | [
[],
[]
] | ||
3fyypc | could a hacker take over a self-driving car and cause it to redirect or crash? | I guess I'm asking if self-driving cars are controlled by on board computers or through the internet. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3fyypc/eli5_could_a_hacker_take_over_a_selfdriving_car/ | {
"a_id": [
"ctta6o9"
],
"score": [
10
],
"text": [
"I don't think self-driving cars will be connected to the internet unless google has another crazy idea.\n\nHowever contrary to popular belief hackers don't hack exclusively using the internet. If the car has a bluetooth or wifi network so that i... | [] | [] | [
[
"https://www.youtube.com/watch?v=MEYCU62yeYk"
]
] | |
ejikcu | why does sand in the hourglass flow with a relatively even pace not depending on the amount of it left in the upper bulb? | I've just listened to a podcast about time. The speaker said that the flow of the sand doesn't change but if it was liquid things would be different because of its changing pressure.
Sorry if I phrased it weirdly, English isn't my first language. Feel free to correct me. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ejikcu/eli5_why_does_sand_in_the_hourglass_flow_with_a/ | {
"a_id": [
"fcy03wb",
"fcy7v5r",
"fcyeax2"
],
"score": [
6,
8,
2
],
"text": [
"I'm not so sure it does. Same shape and size opening,would ten times as much sand take ten hours? I imagine the weight on top of the sand affects the flow rate, but they volume we're working with makes ... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Catenary",
"https://i.pinimg.com/originals/89/2a/76/892a766da71f806ca7fa7b64f67633a5.jpg",
"https://www.google.com/amp/s/www.technologyreview.com/s/418993/the-mystery-of-sand-flow-through-an-hourglass/amp/",
"https://imgur.com/a/xBybe8N"
]
] | |
2slbju | why does the ice on this trampoline break in a rectangular shape (to the right of the jumper at 0:42) | _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2slbju/eli5_why_does_the_ice_on_this_trampoline_break_in/ | {
"a_id": [
"cnqk4dg"
],
"score": [
2
],
"text": [
"it looks like the point in time where the shock wave met up with the return z motion from the jump. It is possible that differences in the thickness of the ice, slight off balance of his weight hitting the mat, or spring tension/resistance differ... | [] | [
"https://www.youtube.com/watch?v=gftYIkhEaAo"
] | [
[]
] | |
4aa2s0 | how do investors pick franchises and are they preferable to starting a business on your own? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4aa2s0/eli5_how_do_investors_pick_franchises_and_are/ | {
"a_id": [
"d0ylqor",
"d0ylv10"
],
"score": [
3,
2
],
"text": [
"Investors pick franchises based on what they think will be the best fit for where they want to operate their business. Several things come into play, such as the cost of the franchise, the amount of support they get for that... | [] | [] | [
[],
[]
] | ||
a7tamw | how is it that johnson & johnson baby powder (talc-based) is being linked to asbestos-caused cancers, like mesothelioma? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a7tamw/eli5_how_is_it_that_johnson_johnson_baby_powder/ | {
"a_id": [
"ec5kd4h",
"ec5nthe",
"ec5o3ay"
],
"score": [
14,
8,
3
],
"text": [
"It had asbestos in it for years and they kept that information under wraps so that people wouldn't sue them or they wouldn't be held responsible. And once the information got out...",
"Talc is mine... | [] | [] | [
[],
[],
[]
] | ||
7g6hhl | why do we need to wear so many layers on our body when it's cold, but only one layer of pants? | Is it because of our organs or something else? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7g6hhl/eli5_why_do_we_need_to_wear_so_many_layers_on_our/ | {
"a_id": [
"dqgwotz",
"dqh08cn"
],
"score": [
12,
2
],
"text": [
"Yes, keeping your \"core\" warm is more efficient in terms of amount of clothing than insulating your extremities. Your body can transfer heat from the torso to legs and feet. However, this only works for people going betwe... | [] | [] | [
[],
[]
] | |
9e1azv | how are fall allergies/allergens different from spring allergies/allergens? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9e1azv/eli5_how_are_fall_allergiesallergens_different/ | {
"a_id": [
"e5lhvmb"
],
"score": [
4
],
"text": [
"Allergies are simply due to your immune system responding to something entering your body that it doesn't really need to respond to, or having a much stronger reaction than is necessary. Seasonal allergies are usually caused by some plant product... | [] | [] | [
[]
] | ||
22wqea | why is it, that when trying to fall asleep people can become very anxious? | There are an increasing number of nights, tonight being no exception, where I find myself awake in bed, feeling fears I know are irrational. Tonight's fear is heart related, which I know is insane since i've recently lost a decent amount of weight and just got blood work back saying that all my levels are safe. I've po... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22wqea/eli5_why_is_it_that_when_trying_to_fall_asleep/ | {
"a_id": [
"cgs3oys"
],
"score": [
2
],
"text": [
"It is probably anxiety caused by the transitional period of finding and going to a new college, anxiety and anxious thoughts can have a knock-on effect. I assume the reason it is more severe at night is because you have less immediate stimulus to... | [] | [] | [
[]
] | |
4kv0tl | encapsulation and getters/setters | I'm currently learning .NET and OOP programming and have always had a bit of trouble understanding just exactly what encapsulation is and how getters and setters play into it.
I understand that encapsulation "encapsulates" data to prevent other methods from accessing it, but I don't have a firm understanding of what ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4kv0tl/eli5_encapsulation_and_getterssetters/ | {
"a_id": [
"d3hzg8v",
"d3i30mc"
],
"score": [
6,
2
],
"text": [
"Encapsulation means that you don't have to know or care about internal workings of a class, and in fact, all internal workings are hidden from the outside, and your class only interacts with the outside world by using public... | [] | [] | [
[],
[]
] | |
38c0xu | these long and sometimes unrelated personality quizzes/questionnaires when applying for jobs. | I'm apply for jobs while in college after leaving my first one due to too many hours and a collapsing company. I've been taking dozens of these things that range from 5-15 pages and 40-150 questions, sometimes with repeats or reworded version of the same question 3-6 times (averages off the top of my head). I just appl... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38c0xu/eli5_these_long_and_sometimes_unrelated/ | {
"a_id": [
"cru0bnx"
],
"score": [
2
],
"text": [
"Back in the '70s, there was a huge movement in business to measure everything you could, and use that data to improve. \n\nThey developed tests to show the personality of applicants and then used them in the hiring process. On the better design... | [] | [] | [
[]
] | |
1lq76d | why does fat bring so much flavor to meat; and why do garlic and onions also bring such rich flavor | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1lq76d/eli5_why_does_fat_bring_so_much_flavor_to_meat/ | {
"a_id": [
"cc1pgb6",
"cc1uy7f"
],
"score": [
9,
2
],
"text": [
"Fat is like a carrier for lipophile aromas - like the essential oils in spices and herbs. That's why fat-reduced or fat-free products need to weigh this up with more sugar, salt and (artificial) flavouring - and still are le... | [] | [] | [
[],
[]
] | ||
35ys4g | why can routers only use 2.4ghz and 5ghz if they're so congested? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35ys4g/eli5_why_can_routers_only_use_24ghz_and_5ghz_if/ | {
"a_id": [
"cr92nm2"
],
"score": [
3
],
"text": [
"Radio spectrums are like a broad highway. Consider 2.4 and 5 as like the 2 far left lanes on a highway, but there are maybe 6 more lanes.\n\nThese 6 lanes are reserved for military communications(2 lanes), emergency responders radios(1 lane), air... | [] | [] | [
[]
] | ||
3ia0j1 | what is the point of have different words that mean the same thing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ia0j1/eli5_what_is_the_point_of_have_different_words/ | {
"a_id": [
"cuem6uy",
"cuep23r"
],
"score": [
5,
2
],
"text": [
"Very few words mean *exactly* the same thing. Most synonyms offer various shades of meaning or have different connotations even though they have the same definition.\n\nAlso, to even ask \"what is the point\" is a nonsensica... | [] | [] | [
[],
[]
] | ||
5hfw27 | how do people raise money by doing random things like staying in a cage or running ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5hfw27/eli5_how_do_people_raise_money_by_doing_random/ | {
"a_id": [
"dazv05u"
],
"score": [
2
],
"text": [
"People sponsor them - they pay small amounts of money to encourage that person to keep going."
]
} | [] | [] | [
[]
] | ||
4zp1n1 | how am i able to wake up regularly right before my alarm almost every single day? is this a sign of a stress/coping mechanism in the brain at play or something else? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4zp1n1/eli5_how_am_i_able_to_wake_up_regularly_right/ | {
"a_id": [
"d6xlvik",
"d6xsp3d"
],
"score": [
2,
2
],
"text": [
"Your brain has a kind of internal clock that helps you wake up at the same time every day. All mammals have it; this is why cats wake their owner up around the same time every day to get fed :)\n\nBy setting your alarm for t... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Circadian_clock"
],
[]
] | ||
1iea45 | who picked the jurors in the zimmerman court case? | The jurors were all white females who were more inclined to sympathize with Zimmerman and deliver a not-guilty verdict in my opinion. Who screens the jurors and picks which ones end up in the court room? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1iea45/eli5who_picked_the_jurors_in_the_zimmerman_court/ | {
"a_id": [
"cb3lqnk"
],
"score": [
5
],
"text": [
"I can't speak for Florida, but generally speaking...\n\nIn a court case with a jury, both the procecution and the defense have a say on who makes it onto the jury from the available jury pool. Each side can pull the \"I don't like this person\" c... | [] | [] | [
[]
] | |
aez0sd | refrigerate after opening | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aez0sd/eli5_refrigerate_after_opening/ | {
"a_id": [
"edu03pe",
"edu04wk",
"edu0ozo"
],
"score": [
6,
2,
2
],
"text": [
"Because they've been treated to remove bacteria, which can grow by feeding on the material.\n\nOnce you open it, you've exposed it to bacteria again.\n\nYou can't get the cat out of the bag again.. wait... | [] | [] | [
[],
[],
[]
] | ||
213e1g | when you're on a trampoline with other people, how does "stealing someone's bounce" work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/213e1g/eli5_when_youre_on_a_trampoline_with_other_people/ | {
"a_id": [
"cg9akd1",
"cg9fk9y"
],
"score": [
4,
4
],
"text": [
"When you land on the trampoline you are coming down with a downward force. This force will make the trampoline stretch.\nThe trampoline then wants to return to a less stretched state and push you up at which point you jump a... | [] | [] | [
[],
[]
] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.